1) geek.
2) extremely intelligent person who lacks
social skills.
3) derogatory term for such people that stereotype them as people who
examine things very closely and look down on others that are not as
intellectually intelligent.
4) a nickname for scientists, who "squint" a lot in their work
"The
squints were assigned to
examine the body very closely to find out
clues about how the person was killed."
Often said in the TV Show, Bones.